Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 53, Problem 2.2CT
Why is it dangerous for a swimmer to hyperventilate in order to hold the breath for a longer period of time?
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Chapter 53 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 53 - Prob. 1PLCh. 53 - Prob. 2PLCh. 53 - Which of the following muscles is not involved in...Ch. 53 - Peripheral chemoreceptors sensitive to low blood...Ch. 53 - Prob. 5PLCh. 53 - Inhaled dust and pollutants stimulate ________ to...Ch. 53 - An increase in the duration of inspirations is the...Ch. 53 - The ventral respiratory group of the brainstem...Ch. 53 - The respiratory centers are widely scattered...Ch. 53 - The _________________________ respiratory group...
Ch. 53 - The __________________________ respiratory group...Ch. 53 - Central chemoreceptors are sensitive to changes in...Ch. 53 - As the blood concentration of carbon dioxide...Ch. 53 - As a result of increased breathing, the blood...Ch. 53 - Peripheral chemoreceptors include aortic bodies...Ch. 53 - Prob. 1.8ACh. 53 - The principal muscles of inspiration are the...Ch. 53 - Briefly explain the reason for the changes in...Ch. 53 - Complete the following: a. Why is it important to...Ch. 53 - Use the following carbonic acid-bicarbonate buffer...Ch. 53 - Why is it dangerous for a swimmer to...
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- Why does your breathing rate increase when you exercise? What happens to your heart rate at the same timeand why?arrow_forwardBreathing _______. a. ventilates the lungs b. draws air into airways c. expels air from airways d. causes reversals in pressure gradients e. all of the abovearrow_forwardExplain what a partial pressure gradient is and how such gradients figure in gas exchange.arrow_forward
- Hyperventilation will increase or decrease our ability to hold our breath for an extended period?arrow_forward(a) Define hyperventilation. (b) If you hyperventilate, do you retain or expel more carbon dioxide? (c) What effect does hyperventilation have on blood pH?arrow_forwardShould the respiratory rate decrease after hyperventilating? Explain your answer with regards to the physiological mechanism?arrow_forward
- Daniel, the swimmer with the fastest time on the college swim team, routinely hyperventilates before a meet, as he says "to sock some more oxygen into my lungs so I can swim longer without having to breathe." "Furthermore, my heart won't have to adjust it's output". First of all, what basic fact about oxygen loading has Daniel forgotten (a lapse leading to false thinking)? Do you think that hyperventilation will provide him with enough oxygen to increase his endurance during the race?arrow_forwardIs there any great urge to breathe immediately following the period of hyperventilation? Explain.arrow_forwardDivers sometimes hyperventilate before swimming underwater for an extended period of time. However, this could cause a sudden blackout while they are under the surface and lead to potential drowning. What caused the blackout to occur?arrow_forward
- Explain why breathing in a brown bag paper helps with hyperventilation. Explain using Le Chatelier's Principlearrow_forwarda)Some competitive swimmers hyperventilate before a race, thinking they can "load up extra oxygen" and hold their breaths longer underwater. While they can indeed hold their breaths longer, it is not for the reason they think. Furthermore, some have lost consciousness and drowned because of this practice. What is wrong with this thinking, and what accounts for the loss of consciousness? b) You cannot affect the oxygen delivery to your tissues by drinking "oxygenated water". However, breathing oxygen at hyperbaric pressures increases oxygen delivery to tissues. Explain why these two statements are true.arrow_forwardDaniel, the swimmer with the fastest time on the college swim team, routinely hyperventilates before a meet, as he says "to sock some more oxygen into my lungs so I can swim longer without having to breathe." "Furthermore, my heart won't have to adjust it's output". Is he correct that his heart not having to increase output if he hyperventilates? Explain your recommendation.arrow_forward
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